Home / 4,929.16-7,395.12-2,156.08

Finding the Fourth Proportional to 4,929.16, 7,395.12 and 2,156.08

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Solution

The fourth proportional to 4,929.16, 7,395.12 and 2,156.08 is: 3,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.16 : 7,395.12 = 2,156.08 : x
  2. Step 2: Convert to fraction form
    4,929.16/7,395.12 = 2,156.08/x
  3. Step 3: Cross multiply
    4,929.16x = 7,395.12 × 2,156.08
  4. Step 4: Simplify right side
    4,929.16x = 15,944,470.33
  5. Step 5: Solve for x
    x = 15,944,470.33/4,929.16
  6. Step 6: Final answer
    x = 3,234.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.